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Directions to Solve

Find the correctly spelt words.

Q1: (solve as per the direction given above)

A Satelite

B Satellite

C Sattellite

D Sattelite

Q2: The correct sequence of the decreasing order of brake thermal efficiency of the three given basic types of engines is

A four stroke S.I. engine, four stroke C.I. engine, two stroke S.I. engine

B four stroke C.I. engine, two stroke S.I. engine, four stroke S.I. engine

C two stroke S.I. engine, four stroke S.I. engine, four stroke C.I. engine

D four stroke C.I. engine, four stroke S.I. engine, two stroke S.I. engine

Q3: The engines in which the combustion of fuel takes place inside the engine cylinder are called internal combustion engines.

A True

B False

Q4: A fuel will detonate less if it has higher self ignition temperature.

A True

B False

Q5: The combustion in compression ignition engines is

A none of these

B hetrogeneous

C both (a) and (b)

D homogeneous

Q6: Which of the following fuel detonates readily ?

A Benzene

B Normal heptane

C Alcohol

D Iso-octane

Q7: Spark plugs in automobiles generally have a gap between

A 0.2 to 0.8 mm

B 0.4 to 0.9 mm

C 0.3 to 0.7 mm

D 0.6 to 1.8 mm

Q8: The injection of fuel by external source is not required in case of engines working on Otto cycle.

A Yes

B No

Q9: The running cost of a petrol engine is __________ than that of a diesel engine.

A higher

B lower

Q10: In a petrol engine, if diesel is used, then the engine will

A explode

B not run

C run more efficiently

D run at high speed